After getting Windows 10 mobile technical preview, why am I not able to use Airtel 4G in my Lumia 1020?

[Windows Central Question]

After getting Windows 10 mobile technical preview, I am not able to use airtel 4G in my lumia 1020.

After getting Windows 10 mobile technical preview, I am not able to use airtel 4G in my lumia 1020. My friend's 1020 with wp 8.1 is able to get 4G

 

[Japser]

Re: After getting Windows 10 mobile technical preview, I am not able to use airtel 4G in my lumia 10

Have you checked whether your network settings are still correct?

 

[Gokul Krishnan2]

Hi,
Does RM-875 support 4G in Blore?
I took it to the Airtel showroom, they confirmed the phone is the issue, but i remember seeing the phone had a 4G option.